Extraction conditions
Optimization of phenolics and flavonoids extraction conditions of Curcuma Zedoaria leaves using response surface methodology
... the conditions which gave the maximum yield of total phenolic and flavonoids ...ethanolic extraction conditions for Cur- cuma zedoaria leaves extract were at 75 °C with 92 min and 90:10 of ethanol ...
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Effects of Different Extraction Conditions on The Production of Anthraquinone
... of extraction times and SLR was performed to investigate the influences of pH on anthraquinone extract ...The extraction using pH 1 and 3 yielded yellow solutions, while the remaining tested pH values ...
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Pressurized hot water extraction of carrageenan and phenolic compounds from Eucheuma cottonii and Gracilaria Sp : Effect of extraction conditions
... these conditions, water is notable as a ‘green and environmentally friendly’ technique for product extraction and has gained intensely interest as a prominent choice to the conventional separation methods ...
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Optimization of Extraction Technology of Polysaccharide of Tricholoma giganteum
... of extraction, the time of extraction, the solvent-solid ratio and the volume of solvent used during precipitation on the MP extraction ratio as well as to optimize extraction ...
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Mild Acid Ultrasonic Assisted Extraction of Arsenic Residues in Different Parts of Hot Chilli Prior to Ultra-Trace Determination by flow Injection-Hydride Generation Atomic Absorption Spectrometry
... were determined in different parts of chilli fruits including seed, pericarb and placenta. This procedure leads to improve mild the extraction conditions using 0.1 g of ground sample in 10 mL of 1 M acid ...
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Simultaneous extraction, optimization, and analysis of flavonoids and polyphenols from peach and pumpkin extracts using a TLC-densitometric method
... polyphenol extraction yields from plants ex- tracts (peach and ...optimal extraction conditions for measuring rutin and quercetin simultaneously from peach extracts were as follows: ex- traction ...
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Journal of Applied Pharmaceutical Science
... the extraction of the target compounds in 50 % aqueous methanol and 50 % aqueous ethanol are better than in pure methanol and ethanol, ...the extraction solvent helps to increase the extraction yield ...
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Preconcentration and Determination of Organophosphorus Pesticides in Water Samples by Carbon Nanotube Reinforced Hollow Fiber Solid/Liquid Phase Microextraction and Gas Chromatography-Flame Ionization Detector
... Accordingly, several desorption solvents such as acetonitrile, 1-octanol, methanol and cyclohexane were investigated. Based on the obtained results, methanol was found to get the best microextraction efficiency, while ...
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Optimization of acid assisted extraction process of foxtail millet polysaccharides and its antioxidant activity
... assisted extraction conditions of foxtail millet polysaccharides (FMP) and its antioxidant activity in ...polysaccharide extraction using acidic aqueous solution can improve the purity, the yield and ...
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Vol 72, No 2 (2020)
... flavonoid extraction are reflux and leaching ...low extraction efficiency and high energy consumption ...plementary extraction method with both advantages of UAE and MAE, has recently received ...
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Isolation and Characterization of Pectin Extracted from Lemon Pomace during Ripening
... Table 1 shows the extraction yield, moisture and ash contents of lemon pomace pectin at different maturity stages. The yield of pectin from lemon pomace at premature, mature and over ripen stage was 13.13%, 10.83% ...
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Single Drop Microextraction of Biphenyl and Biphenyl Oxide in Aqueous Samples by Gas Chromatography Flame Ionization Detection
... exhaustive extraction. In most SDME applications, the efficiency of extraction increased with extraction ...The extraction of the two analytes into the organic drop and the dissolution of some ...
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Optimisation of extraction and sludge dewatering efficiencies of bio flocculants extracted from Abelmoschus esculentus (okra)
... water extraction method, and the extract yield and its performance in sludge dewatering were ...optimum conditions for extraction temperature (25-90 o C), time ...that extraction yield was ...
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Modeling and Optimization of Extraction of Gallic Acid from Chenopodium Murale using Response Surface Methodology
... To optimize their extraction conditions, various extraction parameters were chosen to identify their effects on gallic acid extraction. [11].Siti Kusmardiyani et. al. determine antioxidant ...
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Green ultrasound-assisted extraction of anthocyanin and phenolic compounds from purple sweet potato using response surface methodology
... between extraction conditions on phenolic extraction ...ultrasonic extraction time on the recovery of total phenolics and total flavonoids from grape ...
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Extraction-Chromogenic Systems Containing Iron(III), 4-(2-Thiazolylazo)resorcinol and Ditetrazolium Salts
... of distribution (K D ) describing eq. 2 were calculated by the formula K D =E/(1-E), where E is determined by MP-AES at the optimum extraction conditions (as described above). The attempts to determine ...
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Food waste: a potential bioresource for extraction of nutraceuticals and bioactive compounds
... its extraction using any of approaches discussed above. Utility of extraction meth- ods is evident based on various reports and supercritical fluid extraction technology was proved to be very ...
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Flavonoids with α-glucosidase inhibitory activities and their contents in the leaves of Morus atropurpurea
... preparation conditions As shown in Figure 2, the effects of the raw material to solvent ratio (RMTSR), temperature, extraction time, and extraction cycle were ...maximum extraction yield was ...
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Optimization of conditions for the extraction of Biodiesel from Jatropha curcas
... The seeds were collected, sun dried and made into crushed mixtures using the mortar and pestle. 50g of crushed seeds (Jatropha curcas) were taken and covered within the muslin cloth. The soxhlet apparatus was setup and ...
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Study on the Chemical Profiling of Fangfeng Tongsheng Pills by HPLC
... acetonitrile-aqueous acetic acid in different mobile phase systems were adopted in order to achieve the best separation. The results showed that mobile system with acetonitrile -0.08% trifluoroacetic acid could produce a ...
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